17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package sun.misc;
  27 
  28 /**
  29  * ConditionLock is a Lock with a built in state variable.  This class
  30  * provides the ability to wait for the state variable to be set to a
  31  * desired value and then acquire the lock.<p>
  32  *
  33  * The lockWhen() and unlockWith() methods can be safely intermixed
  34  * with the lock() and unlock() methods. However if there is a thread
  35  * waiting for the state variable to become a particular value and you
  36  * simply call Unlock(), that thread will not be able to acquire the
  37  * lock until the state variable equals its desired value. <p>
  38  *
  39  * @author      Peter King
  40  */
  41 public final
  42 class ConditionLock extends Lock {
  43     private int state = 0;
  44 
  45     /**
  46      * Creates a ConditionLock.
  47      */
  48     public ConditionLock () {
  49     }
  50 
  51     /**
  52      * Creates a ConditionLock in an initialState.
  53      */
  54     public ConditionLock (int initialState) {
  55         state = initialState;
  56     }
  57 

  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package sun.misc;
  27 
  28 /**
  29  * ConditionLock is a Lock with a built in state variable.  This class
  30  * provides the ability to wait for the state variable to be set to a
  31  * desired value and then acquire the lock.<p>
  32  *
  33  * The lockWhen() and unlockWith() methods can be safely intermixed
  34  * with the lock() and unlock() methods. However if there is a thread
  35  * waiting for the state variable to become a particular value and you
  36  * simply call Unlock(), that thread will not be able to acquire the
  37  * lock until the state variable equals its desired value.
  38  *
  39  * @author      Peter King
  40  */
  41 public final
  42 class ConditionLock extends Lock {
  43     private int state = 0;
  44 
  45     /**
  46      * Creates a ConditionLock.
  47      */
  48     public ConditionLock () {
  49     }
  50 
  51     /**
  52      * Creates a ConditionLock in an initialState.
  53      */
  54     public ConditionLock (int initialState) {
  55         state = initialState;
  56     }
  57